Diamond Sea Glaze (DSG) designs and manufactures made–to–size windows, doors, hatches and specialty glass products. DSG proce ... sses its own glass to ensure optimum quality control. The company serves the unique needs of the yacht, commercial marine, security and heavy equipment customers by building and designing innovative closure products for many markets. DSG delivers what our customers demand: sleek, strong and secure closures. Diamond Sea Glaze is a member of AdvanTec Global Innovations along with Freeman Marine, Pacific Coast Marine, Steelhead Marine, and USA Sliding Doors. Learn more at https://www.advantecglobal.com/marine. read more